Assumptions will rarely end up in your favour.
You perhaps didn't read they were teen backpackers? Of all the travellers in the world, find me a majority in the financial position to book all their accommodation with the confidence that no matter what, it's going to be great because that's the assurance of such a travel style and the price tag it comes with.
It's not like you're going to find the best deals online in a place with a hundred places to stay. Or maybe you can and that's the irony of your assumption.
Weekly people can watch them once a week. The rest must watch them once a week, build a buffer, or just wait for the season, while avoiding spoilers for the latter two.